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| Mirrors > Home > MPE Home > Th. List > elrab3 | Structured version Visualization version GIF version | ||
| Description: Membership in a restricted class abstraction, using implicit substitution. (Contributed by NM, 5-Oct-2006.) |
| Ref | Expression |
|---|---|
| elrab.1 | ⊢ (𝑥 = 𝐴 → (𝜑 ↔ 𝜓)) |
| Ref | Expression |
|---|---|
| elrab3 | ⊢ (𝐴 ∈ 𝐵 → (𝐴 ∈ {𝑥 ∈ 𝐵 ∣ 𝜑} ↔ 𝜓)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | elrab.1 | . . 3 ⊢ (𝑥 = 𝐴 → (𝜑 ↔ 𝜓)) | |
| 2 | 1 | elrab 3648 | . 2 ⊢ (𝐴 ∈ {𝑥 ∈ 𝐵 ∣ 𝜑} ↔ (𝐴 ∈ 𝐵 ∧ 𝜓)) |
| 3 | 2 | baib 535 | 1 ⊢ (𝐴 ∈ 𝐵 → (𝐴 ∈ {𝑥 ∈ 𝐵 ∣ 𝜑} ↔ 𝜓)) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ↔ wb 206 = wceq 1542 ∈ wcel 2114 {crab 3401 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1912 ax-6 1969 ax-7 2010 ax-8 2116 ax-9 2124 ax-ext 2709 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-tru 1545 df-ex 1782 df-sb 2069 df-clab 2716 df-cleq 2729 df-clel 2812 df-rab 3402 df-v 3444 |
| This theorem is referenced by: unimax 4902 fnelfp 7133 fnelnfp 7135 fnse 8087 fin23lem30 10266 isf32lem5 10281 negn0 11580 ublbneg 12860 supminf 12862 sadval 16397 smuval 16422 dvdslcm 16539 dvdslcmf 16572 isprm2lem 16622 isacs1i 17594 isinito 17934 istermo 17935 subgacs 19107 nsgacs 19108 odngen 19523 sdrgacs 20751 lssacs 20935 mretopd 23053 txkgen 23613 xkoco1cn 23618 xkoco2cn 23619 xkoinjcn 23648 ordthmeolem 23762 shft2rab 25482 sca2rab 25486 lhop1lem 25991 ftalem5 27060 vmasum 27200 eqcuts2 27799 elmade 27870 addonbday 28292 israg 28787 ebtwntg 29073 eupth2lem3lem3 30323 eupth2lem3lem4 30324 eupth2lem3lem6 30326 cycpmco2lem1 33226 cycpmco2lem4 33229 cycpmco2 33233 ssdifidllem 33555 1arithufdlem2 33644 tgoldbachgt 34847 cvmliftmolem1 35503 neibastop3 36584 fdc 38025 pclvalN 40295 dvhb1dimN 41391 hdmaplkr 42318 aks4d1p8 42486 sticksstones1 42545 fsuppssind 42980 diophren 43199 islmodfg 43455 fsovcnvlem 44398 ntrneiel 44466 radcnvrat 44699 supminfxr 45851 stoweidlem34 46421 |
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